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PBS Space Time
Will We Ever Find Alien Life?
Season 4
Episode 44
The silence of the galaxy and the resulting Fermi Paradox has perplexed us for nearly 50 years. But our most recent surveys of the Milky Way finally allow us to draw scientific conclusions about the depressingly persistent absence of aliens.
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14:12
What if aliens are deliberately keeping quiet for fear that they might be destroyed?
14:44
The terrible singularity at the heart of the black hole may be no more.
14:33
We may have solved the mysterious origins of supermassive black holes in our universe.
14:29
Could cosmic voids be driving the universe?
17:53
Is there a black hole hiding in the core of the Sun eating it from the inside out?
19:19
What if we aren't the first technological civilization on Earth?
19:03
Many World’s lack wavefunction collapse might be the key to the measurement problem.
18:32
The holy grail of physics is a quantum theory of gravity. What if it’s not possible?
18:32
Alien life will most likely be discovered by faint changes in the color of alien sunsets.
12:05
The 2023 Physics Nobel prize has been awarded to three physicists for attosecond physics.